1918 Kingdom of Serb, Croats and Slovenians overprints on Bosnia Hercegovina stamps.. these are the first Yugoslavian stamps.
Michel catalog Yugoslavia section numbers 1/16 30/32 33/50
For more philately related stuff see here: [ Ссылка ]
For all my philately/stamp collecting videos, go to this playlist: [ Ссылка ]
Ещё видео!